Examination of joint fluids for crystals.
D002114:Calcinosis / Q000175:diagnosis; D002357:Cartilage Diseases / Q000175:diagnosis; D003461:Crystallography; D003937:Diagnosis, Differential; D006073:Gout / Q000175:diagnosis; D006801:Humans; D008853:Microscopy; D013582:Synovial Fluid / Q000032:analysis*; D013585:Synovitis / Q000175:diagnosis*